The smallest, strongest, sharpest chunk of metal I could find. The ESEE Candiru is probably the best backpacking knife you could get, in my opinion. It's the smallest of all the ESEE knives, and comes skeletonized without any grips. The sheath is crap. I feel like ESEE could make a better sheath for the price paid, and for the quality of their knives. The Candiru sheath works if you ditch the velcro, fold the loose flap back, sew it, then add a strap and snap to hold the handle down. It's not… Full review
ESEE-4 with Kydex Sheath
Best for survival or bushcraft. Heavy but durable. Full tang. Optional serrated edge or straight edge. Can get multiple color handles or blades. Lifetime warranty, no questions asked. The ESEE 4 has a blade length of 4.5". Perfect for "survival" or bushcraft, but it weighs too much to take on backpacking trips, unless you're into taking 8 oz knives. The kydex sheath doesn't have a strap to lock it in, it just clicks in and stays snugly. The sheath clips onto a belt and sits high. Overall, I'm not… Full review
ESEE Knives were formerly sold under the RAT Cutlery brand.